Singapore to San Francisco (SIN-SFO): nonstop upgrade & award space

United Airlines and Singapore Airlines fly nonstop between Singapore (SIN) and San Francisco (SFO), roughly 28 times a week. Long-haul cabins on a corridor this busy are large but never idle: premium cabin inventory reshuffles around every schedule change, and the best dates go first. 2LNR tracks award seats on Singapore Airlines across every SIN to SFO date, so you can see whether a seat exists before you move points.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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28
Nonstop flights a week
8,438 mi
Nonstop distance
Free
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Singapore to San Francisco flight schedule

Scheduled nonstop departures for SIN to SFO, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Singapore (SIN) to San Francisco (SFO)
Date Flight Airline Departs SIN Arrives SFO Duration Aircraft
UA 2United Airlines08:4509:1515h 30m789
SQ 32Singapore Airlines09:0509:5015h 45m359
SQ 34Singapore Airlines19:5520:3515h 40m359
UA 28United Airlines20:3521:0515h 30m789
UA 2United Airlines08:4509:1515h 30m789
SQ 32Singapore Airlines09:0509:5015h 45m359
SQ 34Singapore Airlines19:5520:3515h 40m359
UA 28United Airlines20:3521:0515h 30m789
UA 2United Airlines08:4509:1515h 30m789
SQ 32Singapore Airlines09:0509:5015h 45m359
SQ 34Singapore Airlines19:5520:3515h 40m359
UA 28United Airlines20:3521:0515h 30m789
UA 2United Airlines08:4509:1515h 30m789
SQ 32Singapore Airlines09:0509:5015h 45m359
SQ 34Singapore Airlines19:5520:3515h 40m359
UA 28United Airlines20:3521:0515h 30m789
UA 2United Airlines08:4509:1515h 30m789
SQ 32Singapore Airlines09:0509:5015h 45m359
SQ 34Singapore Airlines19:5520:3515h 40m359
UA 28United Airlines20:3521:0515h 30m789
UA 2United Airlines08:4509:1515h 30m789
SQ 32Singapore Airlines09:0509:5015h 45m359
SQ 34Singapore Airlines19:5520:3515h 40m359
UA 28United Airlines20:3521:0515h 30m789
UA 2United Airlines08:4509:1515h 30m789
SQ 32Singapore Airlines09:0509:5015h 45m359
SQ 34Singapore Airlines19:5520:3515h 40m359
UA 28United Airlines20:3521:0515h 30m789

Showing all 28 scheduled SIN to SFO departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every SIN to SFO date on the interactive map

Award seats on SIN to SFO departures

2LNR tracks award seats on Singapore Airlines, date by date. Open the calendar for Singapore to San Francisco to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each SIN to SFO departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SIN to SFO on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Singapore to San Francisco nonstop

Carriers operating SIN to SFO nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See SIN to SFO on the interactive map →

Frequently asked questions about SIN to SFO

How far is San Francisco from Singapore?
SIN to SFO covers about 8,438 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from SIN to SFO?
United Airlines and Singapore Airlines fly the route nonstop. 2LNR tracks award seats on Singapore Airlines.
How many flights a week are there from SIN to SFO?
About 28 nonstop flights a week run between Singapore and San Francisco in the current schedule, operated by United Airlines and Singapore Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SIN to SFO depart?
Scheduled SIN to SFO nonstops in the next 7 days with service leave between 08:45 and 20:35, local time at Singapore. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on SIN to SFO?
Open the SIN to SFO route on the interactive map or the matrix to see award seats by date on Singapore Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss SIN to SFO upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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